Which is the best definition of affirmative action

D. Assuring that all people are treated equally in the workplace and in schools.

This is simply because in History, it states that the affirmative action is to make sure that African-Americans, and women have the same right and abilities as white men.

assuring all people are treated equally in the workplace and schools

Explanation:

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.